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444320240120 = 23543631409391
BaseRepresentation
bin1100111011100111000…
…11001101000111111000
31120110212102220211210122
412131303203031013320
524234431440140440
6540041244432412
744046445504031
oct6356343150770
91513772824718
10444320240120
11161487212819
1272141b48708
1332b8c7788b3
1417710445a88
15b8578117b5
hex67738cd1f8

444320240120 has 64 divisors (see below), whose sum is σ = 1024593546240. Its totient is φ = 173319350400.

The previous prime is 444320240113. The next prime is 444320240129. The reversal of 444320240120 is 21042023444.

It is a happy number.

It is a super-3 number, since 3×4443202401203 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 444320240120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444320240129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880625 + ... + 1290015.

It is an arithmetic number, because the mean of its divisors is an integer number (16009274160).

Almost surely, 2444320240120 is an apocalyptic number.

444320240120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444320240120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512296773120).

444320240120 is an abundant number, since it is smaller than the sum of its proper divisors (580273306120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444320240120 is a wasteful number, since it uses less digits than its factorization.

444320240120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410076 (or 410072 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 444320240120 its reverse (21042023444), we get a palindrome (465362263564).

The spelling of 444320240120 in words is "four hundred forty-four billion, three hundred twenty million, two hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 631 860 1262 1720 2524 3155 5048 6310 12620 25240 27133 54266 108532 135665 217064 271330 409391 542660 818782 1085320 1637564 2046955 3275128 4093910 8187820 16375640 17603813 35207626 70415252 88019065 140830504 176038130 258325721 352076260 516651442 704152520 1033302884 1291628605 2066605768 2583257210 5166514420 10333028840 11108006003 22216012006 44432024012 55540030015 88864048024 111080060030 222160120060 444320240120